A better way to compare errors!
Short summary
Knowing when to use and not use custom operator
Lets extend analytics library on both dimension
Using enums for API design
Linear composition of async tasks using Monad.
Lets hang out with Monoid and see what they are for!
Implementing a basic monadic type for network result and discussion
Basic approach to refactoring large/legacy view controller
Occurances of Functor types in Swift and discussion